Talkswitch 24-CA - Manual (Page 234)

2 2 2 T A L K S W I T C H U S E R G U I D E • N O R T H A M E R I C A
incoming call on a telephone line that is already in use. Call waiting allows
you to toggle from one caller to the other.
Centrex/Plexar
Central office exchange service. The telephone company offers PBX features on
a ‘pay-per-service’ basis. This service may not be available from all telephone
companies. Centrx/Plexar call switching happens at a local telephone
company instead of your company’s premises.
CNG
A tone emitted by most fax machines to initiate contact with another
fax machine.
CO
Central office of a telephone company.
COM port
Communications port. If you connect your TalkSwitch unit to your PC with a
Serial cable, the COM port communicates with your TalkSwitch. It creates an
internal virtual pathway to transmit data to and from the Serial port and the
software. Most PCs have four COM ports.
Communications software
Software to send and receive data over telephone lines via modems.
Compression
Reduces the data size. It saves data storage space, bandwidth and
transmission time.
Conference call
Connecting three or more parties for one phone conversation. They can be
internal or external TalkSwitch parties or remote callers.
Configuration
The way the system is set up. The configuration software defines the settings
of the TalkSwitch system. These settings determine what each TalkSwitch
feature will do and when and how it will do it.
Connector
The end of a cable that plugs into a port or interface to connect one device
to another.
Digit
A whole number from 0 to 9. The numbers on your telephone keypad
are digits.
Digital (see also analog)
Digital devices (phones, answering machines, etc.) convert analog waves to